Diagnostic Test

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

1) TEST ANTENNA

Fig 1: Scan Tool - Starscan
Courtesy of DAIMLERCHRYSLER CORP.

Turn the ignition off.

Disconnect the GPS Antenna connector.

Inspect the GPS Antenna connection.

Was the Antenna connection clean and secure?

Yes
1. Go To step 2).
No
1. Repair the Antenna connection as needed.
2. Perform BODY VERIFICATION TEST - VER 1 .
2) ANTENNA
Refer to AUDIO/VIDEO - SERVICE INFORMATION and test the antenna in accordance with the service procedure.

Is the Antenna OK?

Yes
1. Go To step 3).
No
1. Repair or replace the Antenna assembly as necessary.
2. Perform BODY VERIFICATION TEST - VER 1 .
3) RADIO
NOTE: Reconnect all previously disconnected components.

NOTE: Move vehicle outside approximately 30ft from any structure.

Turn the ignition and radio on.

With the Scan Tool, erase the audio DTC's and operate the navigation system.

With the Scan Tool, read the audio DTC's.

Did this DTC reset?

Yes
1. Replace the radio in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Test Complete.